Type the letter for the location, not the location name (not all letters are used)

www.sporcle.com/games/diving/oh-where-oh-where-uk (Where in the UK? 1)
www.sporcle.com/games/diving/oh-where-oh-where-uk-ii (Where in the UK? 2)
www.sporcle.com/games/diving/oh-where-oh-where-us-w (Where in the Western US?)